tracker/pt: clean up grayscale handling. add migration.

The averaging mode is slower than the opencv SIMD implementation
for BT.709. Remove it.

Make it optional to perform hardware grayscaling using the ps3eye sensor
with the open driver. Default to grayscaling using the CPU.

1 files changed, 1 insertions, 8 deletions

diff --git a/tracker-pt/module/camera.cpp b/tracker-pt/module/camera.cpp
index 73c57f37..1beba474 100644
--- a/tracker-pt/module/camera.cpp
+++ b/tracker-pt/module/camera.cpp
@@ -104,14 +104,7 @@ bool Camera::start(const pt_settings& s)
             info.width = res_x;
             info.height = res_y;
             info.use_mjpeg = use_mjpeg;
-            switch (*s.blob_color)
-            {
-            case pt_color_natural:
-            case pt_color_average:
-                info.num_channels = 1; break;
-            default:
-                info.num_channels = 3; break;
-            }
+            info.num_channels = s.blob_color == pt_color_hardware ? 1 : 3;
 
             if (!cap->start(info))
                 goto fail;